| b.liu | a76c961 | 2025-03-28 13:58:09 +0800 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <string.h> |
| 3 | |
| 4 | #define FOTA_FBFVERSION_IMAGEID 0x464F5456 //"FOTV" |
| 5 | |
| 6 | #if 0 |
| 7 | static int get_fota_version(const char *fname, char *mversion, size_t msize) |
| 8 | { |
| 9 | FILE *fp; |
| 10 | int ret; |
| 11 | fp = fopen(fname, "rb"); |
| 12 | if (fp == NULL) |
| 13 | { |
| 14 | perror("fopen"); |
| 15 | return 1; |
| 16 | } |
| 17 | ret = 0; |
| 18 | do |
| 19 | { |
| 20 | int num_img; |
| 21 | size_t sz; |
| 22 | char buf[64]; |
| 23 | sz = fread(buf, 1, 32, fp); |
| 24 | if (sz < 32 || strncmp(buf, "Marvell_FBF", 11)) /* check FBF magic */ |
| 25 | { |
| 26 | ret = 2; |
| 27 | break; |
| 28 | } |
| 29 | sz = fread(buf, 1, 2, fp); |
| 30 | if (sz < 2 || buf[0] != 11 || buf[1] != 0) /* check format version */ |
| 31 | { |
| 32 | ret = 3; |
| 33 | break; |
| 34 | } |
| 35 | ret = fseek(fp, 0x13C, SEEK_SET); |
| 36 | if (ret) |
| 37 | { |
| 38 | perror("fseek"); |
| 39 | ret = 1; |
| 40 | break; |
| 41 | } |
| 42 | sz = fread(&num_img, 1, 4, fp); |
| 43 | if (sz < 4 || num_img <= 0) /* check number of images */ |
| 44 | { |
| 45 | ret = 4; |
| 46 | break; |
| 47 | } |
| 48 | ret = 5; /* not found */ |
| 49 | while (num_img--) |
| 50 | { |
| 51 | sz = fread(buf, 1, 52, fp); |
| 52 | if (sz < 52) /* check ImageStruct_11 size */ |
| 53 | { |
| 54 | ret = 6; |
| 55 | break; |
| 56 | } |
| 57 | if (*(int *)buf == FOTA_FBFVERSION_IMAGEID) /* check image ID */ |
| 58 | { |
| 59 | unsigned offset = ((int *)buf)[5]; |
| 60 | offset <<= 13; /* 8KB sectors */ |
| 61 | ret = fseek(fp, offset, SEEK_SET); |
| 62 | if (ret) |
| 63 | { |
| 64 | perror("fseek"); |
| 65 | ret = 1; |
| 66 | break; |
| 67 | } |
| 68 | sz = fread(mversion, 1, msize, fp); |
| 69 | if (sz < msize || strnlen(mversion, sz) == sz) /* check ASCIIZ */ |
| 70 | { |
| 71 | ret = 7; |
| 72 | break; |
| 73 | } |
| 74 | if (strncmp(mversion, "OTA", 3)) /* check prefix */ |
| 75 | { |
| 76 | /* treat as successful */ |
| 77 | } |
| 78 | else |
| 79 | { |
| 80 | char *p; |
| 81 | switch (mversion[3]) |
| 82 | { |
| 83 | case '0': /* FOTA */ |
| 84 | p = strchr(mversion, ';'); |
| 85 | if (p) |
| 86 | { |
| 87 | sz = p - mversion - 4; |
| 88 | memmove(mversion, mversion + 4, sz); |
| 89 | mversion[sz] = '\0'; |
| 90 | } |
| 91 | else |
| 92 | { |
| 93 | ret = 8; |
| 94 | } |
| 95 | break; |
| 96 | case '4': /* DFOTA */ |
| 97 | p = strchr(mversion, ';'); |
| 98 | if (p) |
| 99 | { |
| 100 | char *q = p + 1; |
| 101 | p = strchr(q, ';'); |
| 102 | if (p) |
| 103 | { |
| 104 | sz = p - q; |
| 105 | memmove(mversion, q, sz); |
| 106 | mversion[sz] = '\0'; |
| 107 | } |
| 108 | else |
| 109 | { |
| 110 | ret = 9; |
| 111 | } |
| 112 | } |
| 113 | else |
| 114 | { |
| 115 | ret = 8; |
| 116 | } |
| 117 | break; |
| 118 | default: |
| 119 | ret = 7; |
| 120 | break; |
| 121 | } |
| 122 | } |
| 123 | break; |
| 124 | } |
| 125 | } |
| 126 | } while (0); |
| 127 | fclose(fp); |
| 128 | return ret; |
| 129 | } |
| 130 | #endif |